(L. and C., Conc., Tom. IV., col. 343.)
And when these letters [i.e. Cyril's letter to Nestorius Katafluarou=si and his letter to John of Antioch Eu0fraine/oqwsan] had been read, the most reverend bishops cried out: We all so believe: Pope Leo thus believes: anathema to him who divides and to him who confounds: this is the faith of Archbishop Leo: Leo thus believes: Leo and Anatolius so believe: we all thus believe. As Cyril so believe we, all of us: eternal be the memory of Cyril: as the epistles of Cyril teach such is our mind, such has been our faith: such is our faith: thisis the mind of Archbishop Leo, so he believes, so he has written.
The most glorious judges and the great senate said: Let there be read also the epistle of the most worthy Leo, Archbishop of Old Rome, the Imperial City.
Beronician, the most devout clerk of the sacred consistory, read from a book handed him by Aetius, Archdeacon of the holy Church of Constantinople, the encyclical or synodical letter of the most holy Leo, the Archbishop, written to Flavian, Archbishop of Constantinople.